package com.travel.utils;

import com.alipay.api.AlipayApiException;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.response.AlipayTradePrecreateResponse;
import com.alipay.api.response.AlipayTradeQueryResponse;
import com.qianfeng.util.ResultMsg;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Controller
@RequestMapping("/pay")
public class payBackController {

    @PostMapping("/pay")
    public void payBack(HttpServletRequest request, AlipayTradeQueryResponse response) throws AlipayApiException {
        //获取支付宝POST过来反馈信息，将异步通知中收到的待验证所有参数都存放到map中
        Map< String , String > params = new HashMap< String , String >();
        Map requestParams = request.getParameterMap();
        for(Iterator iter = requestParams.keySet().iterator(); iter.hasNext();){
            String name = (String)iter.next();
            String[] values = (String [])requestParams.get(name);
            String valueStr = "";
            for(int i = 0;i < values.length;i ++ ){
                valueStr =  (i==values.length-1)?valueStr + values [i]:valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用。
            //valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put (name,valueStr);
        }
    //调用SDK验证签名
    //公钥验签示例代码
        boolean  signVerified = AlipaySignature.rsaCheckV1(params, ALiPayTools.alipay_public_key, "UTF-8","RSA2") ;
    //公钥证书验签示例代码
    //   boolean flag = AlipaySignature.rsaCertCheckV1(params,alipayPublicCertPath,"UTF-8","RSA2");

        if (signVerified){
            // TODO 验签成功后
            System.out.println("支付成功！");

            ALiPayTools.response1.setTradeStatus("TRADE_SUCCESS");

            //按照支付结果异步通知中的描述，对支付结果中的业务内容进行1\2\3\4二次校验，校验成功后在response中返回success
        } else {
            // TODO 验签失败则记录异常日志，并在response中返回fail.
            System.out.println("支付失败！");
        }
//        return "redirect:/static/Success.html";

    }

}
